Zhong-Zhi Bai and Xue-Ping Guo. (2010). On Newton-HSS Methods for Systems of Nonlinear Equations with Positive-Definite Jacobian Matrices.
            <i>Journal of Computational Mathematics</i>. <i>28</i> (2).
            235-260.
         doi:10.4208/jcm.2009.10-m2836